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1/*
2 * Force feedback support for PantherLord/GreenAsia based devices
3 *
4 * The devices are distributed under various names and the same USB device ID
5 * can be used in both adapters and actual game controllers.
6 *
7 * 0810:0001 "Twin USB Joystick"
8 * - tested with PantherLord USB/PS2 2in1 Adapter
9 * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT)
10 *
11 * 0e8f:0003 "GreenAsia Inc. USB Joystick "
12 * - tested with König Gaming gamepad
13 *
14 * 0e8f:0003 "GASIA USB Gamepad"
15 * - another version of the König gamepad
16 *
17 * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
18 */
19
20/*
21 * This program is free software; you can redistribute it and/or modify
22 * it under the terms of the GNU General Public License as published by
23 * the Free Software Foundation; either version 2 of the License, or
24 * (at your option) any later version.
25 *
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
30 *
31 * You should have received a copy of the GNU General Public License
32 * along with this program; if not, write to the Free Software
33 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 */
35
36
37/* #define DEBUG */
38
39#define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg)
40
41#include <linux/input.h>
42#include <linux/slab.h>
43#include <linux/usb.h>
44#include <linux/hid.h>
45
46#include "hid-ids.h"
47
48#ifdef CONFIG_PANTHERLORD_FF
49#include "usbhid/usbhid.h"
50
51struct plff_device {
52 struct hid_report *report;
53 s32 *strong;
54 s32 *weak;
55};
56
57static int hid_plff_play(struct input_dev *dev, void *data,
58 struct ff_effect *effect)
59{
60 struct hid_device *hid = input_get_drvdata(dev);
61 struct plff_device *plff = data;
62 int left, right;
63
64 left = effect->u.rumble.strong_magnitude;
65 right = effect->u.rumble.weak_magnitude;
66 debug("called with 0x%04x 0x%04x", left, right);
67
68 left = left * 0x7f / 0xffff;
69 right = right * 0x7f / 0xffff;
70
71 *plff->strong = left;
72 *plff->weak = right;
73 debug("running with 0x%02x 0x%02x", left, right);
74 usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
75
76 return 0;
77}
78
79static int plff_init(struct hid_device *hid)
80{
81 struct plff_device *plff;
82 struct hid_report *report;
83 struct hid_input *hidinput;
84 struct list_head *report_list =
85 &hid->report_enum[HID_OUTPUT_REPORT].report_list;
86 struct list_head *report_ptr = report_list;
87 struct input_dev *dev;
88 int error;
89 s32 *strong;
90 s32 *weak;
91
92 /* The device contains one output report per physical device, all
93 containing 1 field, which contains 4 ff00.0002 usages and 4 16bit
94 absolute values.
95
96 The input reports also contain a field which contains
97 8 ff00.0001 usages and 8 boolean values. Their meaning is
98 currently unknown.
99
100 A version of the 0e8f:0003 exists that has all the values in
101 separate fields and misses the extra input field, thus resembling
102 Zeroplus (hid-zpff) devices.
103 */
104
105 if (list_empty(report_list)) {
106 hid_err(hid, "no output reports found\n");
107 return -ENODEV;
108 }
109
110 list_for_each_entry(hidinput, &hid->inputs, list) {
111
112 report_ptr = report_ptr->next;
113
114 if (report_ptr == report_list) {
115 hid_err(hid, "required output report is missing\n");
116 return -ENODEV;
117 }
118
119 report = list_entry(report_ptr, struct hid_report, list);
120 if (report->maxfield < 1) {
121 hid_err(hid, "no fields in the report\n");
122 return -ENODEV;
123 }
124
125 if (report->field[0]->report_count >= 4) {
126 report->field[0]->value[0] = 0x00;
127 report->field[0]->value[1] = 0x00;
128 strong = &report->field[0]->value[2];
129 weak = &report->field[0]->value[3];
130 debug("detected single-field device");
131 } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 &&
132 report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) {
133 report->field[0]->value[0] = 0x00;
134 report->field[1]->value[0] = 0x00;
135 strong = &report->field[2]->value[0];
136 weak = &report->field[3]->value[0];
137 debug("detected 4-field device");
138 } else {
139 hid_err(hid, "not enough fields or values\n");
140 return -ENODEV;
141 }
142
143 plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL);
144 if (!plff)
145 return -ENOMEM;
146
147 dev = hidinput->input;
148
149 set_bit(FF_RUMBLE, dev->ffbit);
150
151 error = input_ff_create_memless(dev, plff, hid_plff_play);
152 if (error) {
153 kfree(plff);
154 return error;
155 }
156
157 plff->report = report;
158 plff->strong = strong;
159 plff->weak = weak;
160
161 *strong = 0x00;
162 *weak = 0x00;
163 usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
164 }
165
166 hid_info(hid, "Force feedback for PantherLord/GreenAsia devices by Anssi Hannula <anssi.hannula@gmail.com>\n");
167
168 return 0;
169}
170#else
171static inline int plff_init(struct hid_device *hid)
172{
173 return 0;
174}
175#endif
176
177static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
178{
179 int ret;
180
181 if (id->driver_data)
182 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
183
184 ret = hid_parse(hdev);
185 if (ret) {
186 hid_err(hdev, "parse failed\n");
187 goto err;
188 }
189
190 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
191 if (ret) {
192 hid_err(hdev, "hw start failed\n");
193 goto err;
194 }
195
196 plff_init(hdev);
197
198 return 0;
199err:
200 return ret;
201}
202
203static const struct hid_device_id pl_devices[] = {
204 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR),
205 .driver_data = 1 }, /* Twin USB Joystick */
206 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR),
207 .driver_data = 1 }, /* Twin USB Joystick */
208 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), },
209 { }
210};
211MODULE_DEVICE_TABLE(hid, pl_devices);
212
213static struct hid_driver pl_driver = {
214 .name = "pantherlord",
215 .id_table = pl_devices,
216 .probe = pl_probe,
217};
218
219static int __init pl_init(void)
220{
221 return hid_register_driver(&pl_driver);
222}
223
224static void __exit pl_exit(void)
225{
226 hid_unregister_driver(&pl_driver);
227}
228
229module_init(pl_init);
230module_exit(pl_exit);
231MODULE_LICENSE("GPL");
1/*
2 * Force feedback support for PantherLord/GreenAsia based devices
3 *
4 * The devices are distributed under various names and the same USB device ID
5 * can be used in both adapters and actual game controllers.
6 *
7 * 0810:0001 "Twin USB Joystick"
8 * - tested with PantherLord USB/PS2 2in1 Adapter
9 * - contains two reports, one for each port (HID_QUIRK_MULTI_INPUT)
10 *
11 * 0e8f:0003 "GreenAsia Inc. USB Joystick "
12 * - tested with König Gaming gamepad
13 *
14 * 0e8f:0003 "GASIA USB Gamepad"
15 * - another version of the König gamepad
16 *
17 * Copyright (c) 2007, 2009 Anssi Hannula <anssi.hannula@gmail.com>
18 */
19
20/*
21 * This program is free software; you can redistribute it and/or modify
22 * it under the terms of the GNU General Public License as published by
23 * the Free Software Foundation; either version 2 of the License, or
24 * (at your option) any later version.
25 *
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
30 *
31 * You should have received a copy of the GNU General Public License
32 * along with this program; if not, write to the Free Software
33 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 */
35
36
37/* #define DEBUG */
38
39#define debug(format, arg...) pr_debug("hid-plff: " format "\n" , ## arg)
40
41#include <linux/input.h>
42#include <linux/slab.h>
43#include <linux/module.h>
44#include <linux/usb.h>
45#include <linux/hid.h>
46
47#include "hid-ids.h"
48
49#ifdef CONFIG_PANTHERLORD_FF
50#include "usbhid/usbhid.h"
51
52struct plff_device {
53 struct hid_report *report;
54 s32 *strong;
55 s32 *weak;
56};
57
58static int hid_plff_play(struct input_dev *dev, void *data,
59 struct ff_effect *effect)
60{
61 struct hid_device *hid = input_get_drvdata(dev);
62 struct plff_device *plff = data;
63 int left, right;
64
65 left = effect->u.rumble.strong_magnitude;
66 right = effect->u.rumble.weak_magnitude;
67 debug("called with 0x%04x 0x%04x", left, right);
68
69 left = left * 0x7f / 0xffff;
70 right = right * 0x7f / 0xffff;
71
72 *plff->strong = left;
73 *plff->weak = right;
74 debug("running with 0x%02x 0x%02x", left, right);
75 usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
76
77 return 0;
78}
79
80static int plff_init(struct hid_device *hid)
81{
82 struct plff_device *plff;
83 struct hid_report *report;
84 struct hid_input *hidinput;
85 struct list_head *report_list =
86 &hid->report_enum[HID_OUTPUT_REPORT].report_list;
87 struct list_head *report_ptr = report_list;
88 struct input_dev *dev;
89 int error;
90 s32 *strong;
91 s32 *weak;
92
93 /* The device contains one output report per physical device, all
94 containing 1 field, which contains 4 ff00.0002 usages and 4 16bit
95 absolute values.
96
97 The input reports also contain a field which contains
98 8 ff00.0001 usages and 8 boolean values. Their meaning is
99 currently unknown.
100
101 A version of the 0e8f:0003 exists that has all the values in
102 separate fields and misses the extra input field, thus resembling
103 Zeroplus (hid-zpff) devices.
104 */
105
106 if (list_empty(report_list)) {
107 hid_err(hid, "no output reports found\n");
108 return -ENODEV;
109 }
110
111 list_for_each_entry(hidinput, &hid->inputs, list) {
112
113 report_ptr = report_ptr->next;
114
115 if (report_ptr == report_list) {
116 hid_err(hid, "required output report is missing\n");
117 return -ENODEV;
118 }
119
120 report = list_entry(report_ptr, struct hid_report, list);
121 if (report->maxfield < 1) {
122 hid_err(hid, "no fields in the report\n");
123 return -ENODEV;
124 }
125
126 if (report->field[0]->report_count >= 4) {
127 report->field[0]->value[0] = 0x00;
128 report->field[0]->value[1] = 0x00;
129 strong = &report->field[0]->value[2];
130 weak = &report->field[0]->value[3];
131 debug("detected single-field device");
132 } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 &&
133 report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) {
134 report->field[0]->value[0] = 0x00;
135 report->field[1]->value[0] = 0x00;
136 strong = &report->field[2]->value[0];
137 weak = &report->field[3]->value[0];
138 debug("detected 4-field device");
139 } else {
140 hid_err(hid, "not enough fields or values\n");
141 return -ENODEV;
142 }
143
144 plff = kzalloc(sizeof(struct plff_device), GFP_KERNEL);
145 if (!plff)
146 return -ENOMEM;
147
148 dev = hidinput->input;
149
150 set_bit(FF_RUMBLE, dev->ffbit);
151
152 error = input_ff_create_memless(dev, plff, hid_plff_play);
153 if (error) {
154 kfree(plff);
155 return error;
156 }
157
158 plff->report = report;
159 plff->strong = strong;
160 plff->weak = weak;
161
162 *strong = 0x00;
163 *weak = 0x00;
164 usbhid_submit_report(hid, plff->report, USB_DIR_OUT);
165 }
166
167 hid_info(hid, "Force feedback for PantherLord/GreenAsia devices by Anssi Hannula <anssi.hannula@gmail.com>\n");
168
169 return 0;
170}
171#else
172static inline int plff_init(struct hid_device *hid)
173{
174 return 0;
175}
176#endif
177
178static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
179{
180 int ret;
181
182 if (id->driver_data)
183 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
184
185 ret = hid_parse(hdev);
186 if (ret) {
187 hid_err(hdev, "parse failed\n");
188 goto err;
189 }
190
191 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF);
192 if (ret) {
193 hid_err(hdev, "hw start failed\n");
194 goto err;
195 }
196
197 plff_init(hdev);
198
199 return 0;
200err:
201 return ret;
202}
203
204static const struct hid_device_id pl_devices[] = {
205 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR),
206 .driver_data = 1 }, /* Twin USB Joystick */
207 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR),
208 .driver_data = 1 }, /* Twin USB Joystick */
209 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003), },
210 { }
211};
212MODULE_DEVICE_TABLE(hid, pl_devices);
213
214static struct hid_driver pl_driver = {
215 .name = "pantherlord",
216 .id_table = pl_devices,
217 .probe = pl_probe,
218};
219
220static int __init pl_init(void)
221{
222 return hid_register_driver(&pl_driver);
223}
224
225static void __exit pl_exit(void)
226{
227 hid_unregister_driver(&pl_driver);
228}
229
230module_init(pl_init);
231module_exit(pl_exit);
232MODULE_LICENSE("GPL");